Ross County 1-4 Celtic

Celtic regained their six-point lead at the top of the Premiership with a second-half double from Leigh Griffiths providing the platform for victory.

A brilliant Tom Rogic strike found the top corner to put the visitors ahead.

Griffiths demonstrated his quality by reacting fastest to defender Scott Boyd's slip to curl home, and he then converted a James Forrest cutback.

County gave themselves a chance when Tony Dingwall slotted home, but Nir Bitton's header ended the contest.

As well as a return to winning form following Europa League defeat by Molde in midweek, the Dingwall triumph was Celtic's fifth league win in a row, with nearest challengers Hearts having won on Saturday. County remain fifth, five points off St Johnstone in fourth.

Rogic stunner leads the way

The pattern was set early on with Ronny Deila's side enjoying possession and territory but unable to breach a well-organised and disciplined County side.

The best chance fell to the hosts' Liam Boyce as the striker connected with a header from eight yards, but he was off target.

A series of long-range efforts were the most Celtic could manufacture, but that eventually provided the catalyst to their opener.

Rogic's strike was the difference between the sides in the first half

Rogic received the ball from Celtic defender Mikael Lustig and sent a powerful left-foot shot that was instinctively struck sweeping past Gary Woods.

Set pieces offered Jim McIntyre's men their best opportunity and a well-worked corner gave Martin Woods plenty of space, but his execution was lacking.

Ross County midfielder Ian McShane broke into the Celtic box early in the second half but a heavy touch cost him dearly as the chance came to nothing.

Griffiths goals keep coming

Celtic reasserted their authority and Griffiths took a lovely touch in the box to create space for a shot, but Woods saved.

The pressure was mounting and when Griffiths seized on Boyd's mistake the inevitable occurred as he bent a lovely curling left-foot shot into the net.

The left-foot of Griffiths was once again the scourge of Premiership defenders

An 18th goal for the season for Griffiths arrived almost immediately. Forrest used all of his pace to outstrip the defence on the right and Griffiths was ill-advisedly left all alone to fire home.

The Premiership player of the month for October's target of 30-plus goals this season looks well within reach.

Forrest went close again when he cut inside, only to drag his shot narrowly wide.

At the other end, Michael Gardyne went close with an angled drive which Craig Gordon did well to tip round the post. From the corner, the ball fell to Boyd but once again the target was missed when a goal looked likely.

Celtic's unimpressive defending offered County some hope when they failed to clear from their own box. Dingwall was the beneficiary as he danced across the box and converted.

Jackson Irvine thought he had brought his side back into contention with a header that Gordon brilliantly tipped away.

Efe Ambrose then produced a last-ditch challenge to prevent Gardyne from touching home before Irvine missed with another header.

However, when Stuart Armstrong delivered a corner on to Bitton's head, the Israel midfielder settled the match by glancing the ball into the far corner.

It was a deserved three points for the champions but County might feel a marginally improved overall performance could have produced a tighter margin than a 4-1 defeat.